. >>> the new details about the murder-suicide in texas. a man dressed as santa claus shot and killed six relatives. investigators say he opened fire after the family opened their christmas gifts. the family had issues. investigators are trying to piece together what led to the tragedy. >>> a man suspected of shooting a soldier who had returned from afghanistan is now in custody. police say he shot christopher sullivan during a welcome home party friday night. investigators say he was shocked when he stepped into an argument between the shooter and his brother. he is partially paralyzed. >>> police say woman who was held hostage was saved because of facebook. she hid in the closet and posted on facebook that she and her son would be dead by morning if it were not rescued. someone who saw the post called police. a neighbor said she is glad facebook was available. >> it is another tool. i am not on it but all of my nieces or nephews are. >> police arrested the ex- boyfriend. he was booked into jail for kidnapping assault and other charges. >>